CVE-2020-27649

critical

Description

Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058

https://www.synology.com/security/advisory/Synology_SA_20_14

Details

Source: Mitre, NVD

Published: 2020-10-29

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00177

Detections

Analytics